摘要:
A driving-in device for fixing an anchor in a hole with an undercut and comprising a drill adapted to be received in a chuck of an impact drilling machine, and a drive-in sleeve-shaped member secured to the drill for joint rotation therewith. The drive-in sleeve-shaped member has at an end thereof remote from the end at which it is secured to the drill, a bolt portion that engages a threaded sleeve member of the anchor to screw it over a threaded portion of an expanding bolt to displace an expansible sleeve over an expander portion of the threaded bolt.
摘要:
The bracket for repairing an attachment of an outer facade element to a load-bearing concrete member includes a flange attachable to the load-bearing concrete member; a supporting arm attached to the flange and provided with a longitudinal slot; and a jack mountable in the longitudinal slot in the supporting arm for support of the outer facade element. The jack is adjustably positionable in the longitudinal slot of the supporting arm in a longitudinal direction of the supporting arm to compensate for different spacings of the outer facade element from the load-bearing concrete member. The jack includes a threaded bolt having a head, a bearing plate attached to the head for bearing on the outer facade element and a support plate secured to the bolt and bearing on the supporting arm. The bearing plate is arched transversely to the longitudinal direction of the supporting arm so as to be engagable with a curved surface of a hole drilled in the outer facade element.
摘要:
In an expansible fixing plug having an internal bore passing right through the plug body into which an expansion bolt in the form of a nail or screw is to be driven, the internal bore is arranged helically wound around the center line and at least for a part of its length has a diameter that is the same as or slightly smaller than the outer diameter of the expansion bolt.